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Photosynthesis & Ecology

Total questions: 70

Worksheet time: 2hrs 13mins

Name
Class
Date
1.
Where does photosynthesis take place in the plant cell?
a)
Nucleus
b)
Cytoplasm
c)

Chloroplast

d)
Mitochondria
2.
What are the two products of photosynthesis?
a)
Oxygen and Carbon Dioxide
b)

Oxygen and Sugar

c)
Sunlight and Sugar
3.
Pigment in green plants that captures the energy in sunlight is called _______.
a)
Pigment
b)
Chlorophyll
c)
Stomata
d)
Green Thing
4.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
5.

Which plant organelle transforms light into glucose to use as food?

a)

Mitochondria

b)

Vacuoles

c)

Chloroplasts

d)

Nucleus

6.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
7.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
8.
What are the reactants of photosynthesis?
a)
carbon dioxide and oxygen
b)
water and oxygen
c)
carbon dioxide and water
d)
water and glucose
9.

This is the chemical formula for a molecule of...

a)

Oxygen

b)

Carbon dioxide

c)

Glucose

d)

Water

10.

What is the purpose of photosynthesis?

a)

To release energy

b)

To create glucose

c)

To grow

d)

To get oxygen for respiration

11.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
12.

The Calvin Cycle occurs in the

a)

Thylakoid

b)

Grana

c)

Inner membrane of chloroplast

d)

Stroma

13.

Main products of the Calvin Cycle

a)

Oxygen, NADP+, ADP

b)

Glucose, CO2, ADP

c)

ADP, NADP+, Glucose

d)

ATP, NADPH, Oxygen

14.
Where do the light reactions happen?
a)
mitochondria membrane
b)
thylakoid membrane
c)
stroma
d)
central vacuole
15.
What is cellular respiration?
a)
the breakdown of glucose  to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
16.
Which of the following structure is where cellular respiration occurs in the cell?
a)
nucleus
b)
cytoplasm
c)
mitochondria
d)
vacuoles
17.
Nearly all energy that fuels life on Earth comes from
a)
water
b)
the soil
c)
the sun
d)
the air
18.
Which of the following refers to all the organisms in a particular area?
a)
ecosystem
b)
community
c)
organelles
d)
population
19.
How do producers get the nutrients they need to survive?
a)
They obtain energy from eating other organisms.
b)
The break down and use the nutrients in dead organisms.
c)
They absorb nutrients from the atmosphere. 
d)
They use energy from the sun to make food from water and carbon dioxide. 
20.
Identify a consumer in this food web that eats producers.
a)
grass
b)
squirrel 
c)
vulture
d)
cougar
21.
What are the traits that make an organism better to survive in its environment called?
a)
adaptations
b)
evolution
c)
niche
d)
population
22.

What do the arrows in the diagram represent?

a)

flow of energy

b)

life cycle stages

c)

ecological succession

d)

renewable resource deletion

23.

When the environment changes more quickly then a species can adapt to the changes, the species may become

a)

extinct

b)

diverse

c)

dominate

d)

overpopulated

24.

grass --> grasshopper --> sparrow --> hawk

In the food chain above, which organism would be found on level B of the energy pyramid shown?

a)

grass

b)

grasshopper

c)

sparrow

d)

hawk

25.
A large, relatively distinct region with a similar climate, soil, plants, and animals
a)
ecozones
b)
biotopes
c)
biomes
d)
biodomes
26.
Which biome is a treeless biome in the far north with harsh, cold winters and extremely short summers
a)
tundra
b)
desert
c)
temperate deciduous forest
d)
tropical rain forest
27.

grasses and scattered trees adapted to a tropical wet and dry climate

a)

taiga

b)

tundra

c)

temperate deciduous forest

d)

tropical grasslands

28.

This biome is just south of the tundra. It contains mostly spruce trees and Douglas firs, which are both evergreen. The winters are long and cold and the summers are short and rainy. The soil is very rich. Moose and elk live here.

a)

boreal forest or taiga

b)

chaparral

c)

temperate deciduous forest

d)

temperate rainforest

29.
The biome known for trees with broad leaves that fall off the trees in the winter.
a)
Coniferous Forests
b)
Temperate Deciduous Forests
c)
Deserts
d)
Tundra
30.
The most important abiotic factors when studying biomes are...
a)
Food and Water
b)
Water and Sunlight
c)
Temperature and Oxygen
d)
Precipitation and Temperature 
31.
Which biome is MOST LIKE the "desert" in terms of precipitation?
a)
tropical rainforest
b)
temperate deciduous forest
c)
tundra
d)
coniferous forest
32.
Which biome has a climate is warm and moist throughout the year, and has more species of plants and animals than any other biome?
a)
Chaparral
b)
Tropical Rainforest
c)
Boreal Forest
d)
Tundra
33.
What is a producer?
a)
Organism that makes its own energy
b)
Organism that breaks down dead organisms
c)
Organism that eats other organisms for food & energy
34.
What is a decomposer?
a)
Organism that makes its own energy
b)
Organism that breaks down dead organisms
c)
Organism that eats other organisms for food & energy
35.
What is a consumer?
a)
Organism that makes its own energy
b)
Organism that breaks down dead organisms
c)
Organism that eats other organisms for food & energy
36.
The ___% rule states that only ____% of energy is transferred to the next trophic level.
a)
10%
b)
25%
c)
50%
d)
100%
37.
What are "trophic levels"?
a)
Levels in a food web/food chain
b)
Levels of land in a mountain
c)
Animal diets
38.

Why might an organism have more than one arrow coming from them in a food web?

a)

More than one organism may eat them.

b)

They may eat more than one other organism.

c)

This organism gets its energy from multiple sources.

39.

A tapeworm lives in the intestine of a cat absorbing nutrients through its skin. A tapeworm and a cat have this type of relationship.

a)

mutualism

b)

parasitism

c)

commensalism

d)

competition

40.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
41.
Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
42.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
43.
When a mosquito bites you, you are the __________ and the mosquito is the  ____________.
a)
host, hostess
b)
parasite, host
c)
host, parasite
d)
prey, predator
44.

Clown fish live among anemones, acting as a lure for the sea anemone's prey. The clown fish get protection and shelter from the anemone. This is an example of which type of symbiosis?

a)

Commensalism

b)

Mutualism

c)

Parasitism

45.

Hookworms enter the human body by burrowing into the skin of the feet. Once in the skin, they enter the bloodstream and travel to the small intestine where they attach to the walls and begin to drink the person's blood and weaken the victim.

a)

mutualism

b)

commensalism

c)

parasitism

46.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
47.

The collective mass of all living things in a particular area or at a specific trophic level of an ecosystem is known as...

a)

Population Size

b)

Biomagnification

c)

Biomass

d)

Apex Trophism

48.

Which organism in the food web shown to the right would

contain the lowest concentration of chemical pollutants?

a)

producers

b)

primary consumers

c)

secondary consumers

d)

tertiary consumers

49.
Which animal is the apex predator?
a)
hawk
b)
lizard
c)
snake
d)
grass
50.
Organisms that create their own energy from sunlight or chemicals
a)
Herbivore
b)
Omnivore
c)
Autotroph
d)
Heterotroph 
51.

The phenomenon by which toxins concentrate in the organisms at higher trophic levels within an ecosystem is known as...

a)

Biotoxicity

b)

Biomagnification

c)

Eutrophication

d)

Predation

52.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
53.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
54.
A wolf eats a rabbit, that just ate some berries.  What would you call the rabbit?
a)
Producer
b)
Omnivore
c)
Primary Consumer
d)
2nd order Heterotrph
55.

Consider the following food chain:

Algae > Mayfly > Minnow > Trout

In a polluted ecosystem, which organism would likely have the HIGHEST level of toxic chemicals in its body?

a)

Algae

b)

Mayfly

c)

Minnow

d)

Trout

56.

How many molecules of ATP are created from one molecule of glucose by aerobic respiration?

a)

38

b)

2

c)

30

d)

20

57.

What substance is not needed for anaerobic respiration?

a)

Carbon dioxide

b)

oxygen

c)

glucose

d)

enzymes

58.

One of the reasons why large numbers of mitochondria are found in muscle cells is because:

a)

muscles get lots of oxygen

b)

muscle cells require lots of energy.

c)

muscle cells can tolerate high levels of CO2

d)

muscle cells are larger than other body cells.

59.
This is the first step of cellular respiration
a)
Glycolysis
b)
Lactic Acid Fermentation
c)
Alcoholic Fermentation
d)
Aerobic Respiration
60.

When you consume an organism, you only receive 10% of the energy, but how much of the toxins do you receive?

a)

All of the toxins

b)

10% toxins

c)

1% toxins

d)

None of the toxins

61.
What are the two products of the light reactions that are needed for the calvin cycle?
a)
NAD and NADPH
b)
NADP + and Glucose
c)
NADPH and ATP
d)
Oxygen and NADPH
62.

What are the reactants in cell respiration?

a)

water, carbon dioxide, light

b)

oxygen, sugar

c)

sugar, water, carbon dioxide

63.

What is the energy that is produced in cell respiration?

a)

ADP

b)

Sugar

c)

ATP

64.

Aerobic means

a)

without oxygen

b)

with oxygen

c)

without effort

65.

Anaerobic means

a)

with oxygen

b)

without oxygen

c)

to run for a long time

66.

If you wanted to produce more energy, what pathway would you choose?

a)

aerobic

b)

anaerobic

67.

What are the products of cell respiration?

a)

water, light, and sugar

b)

water, carbon dioxide, ATP

c)

oxygen, water, sugar

68.

Photosynthesis _________ the energy that cell respiration ______.

a)

builds ; breaks

b)

breaks ; build

c)

eats ; builds

69.

Why would oxygen levels decrease during aerobic respiration?

a)

oxygen is being used for energy

b)

photosynthesis is releasing oxygen

c)

oxygen shouldn't decrease, it should increase

70.

What is the correct equation for cellular respiration?

a)

6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy

b)

6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O

c)

6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy

d)

6CO2 + 6H2O + Energy -> 6O2 + C6H12O6

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